/*   The MIT License
 *   
 *   Carina Engine
 *   Copyright (c) 2009 2010 2011 2012 Zdravko Velinov
 *   
 *   Permission is hereby granted, free of charge, to any person obtaining a copy
 *   of this software and associated documentation files (the "Software"), to deal
 *   in the Software without restriction, including without limitation the rights
 *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *   copies of the Software, and to permit persons to whom the Software is
 *   furnished to do so, subject to the following conditions:
 *
 *   The above copyright notice and this permission notice shall be included in
 *   all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *   THE SOFTWARE.
 */

#include "carina/gl-renderer.hh"
#include "carina/image.hh"

#ifdef HAS_LIBPNG
#   include "carina/png-loader.hh"
#endif
#include "carina/tga-loader.hh"

namespace Carina
{
Image::Image(VarType _type, const DynamicArray<char>& _data, size_t w, size_t h)
    :   m_Type(_type),
        m_Data(_data),
        m_Width(w),
        m_Height(h) {}

Image::~Image() 
{
}

const void* Image::getData() const
{
    return m_Data.get();
}

size_t Image::width()
{
    return m_Width;
}

size_t Image::height()
{
    return m_Height;
}

VarType Image::format()
{
    return m_Type;
}

ImageManager::ImageManager()
{
#ifdef HAS_LIBPNG
    m_ImageLoaderMap[".png"] = make_aligned_shared<PNGLoader>();
#endif
    m_ImageLoaderMap[".tga"] = make_aligned_shared<TGALoader>();
}

ImageManager::~ImageManager()
{
}

ImagePtr ImageManager::load(const string& name)
{
    size_t n = name.rfind('.');
    if(n == std::string::npos)
        return ImagePtr();
    ImageLoaderMap::iterator iter = m_ImageLoaderMap.find(name.substr(n));
    if(iter == m_ImageLoaderMap.end())
        return ImagePtr();
    return iter->second->load(name);
}

bool ImageManager::save(const string& name, const ImagePtr& img)
{
    size_t n = name.rfind('.');
    if(n == std::string::npos)
        return false;
    ImageLoaderMap::iterator iter = m_ImageLoaderMap.find(name.substr(n));
    if(iter == m_ImageLoaderMap.end())
        return false;
    return iter->second->save(name, img);
}
}
